Home / 676,204,016.64-933,260,058.67-378,866,356.98

Finding the Fourth Proportional to 676,204,016.64, 933,260,058.67 and 378,866,356.98

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Solution

The fourth proportional to 676,204,016.64, 933,260,058.67 and 378,866,356.98 is: 522,890,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,204,016.64 : 933,260,058.67 = 378,866,356.98 : x
  2. Step 2: Convert to fraction form
    676,204,016.64/933,260,058.67 = 378,866,356.98/x
  3. Step 3: Cross multiply
    676,204,016.64x = 933,260,058.67 × 378,866,356.98
  4. Step 4: Simplify right side
    676,204,016.64x = 353,580,838,544,752,256
  5. Step 5: Solve for x
    x = 353,580,838,544,752,256/676,204,016.64
  6. Step 6: Final answer
    x = 522,890,769.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.